Home / 18,894,711.30-28,346,564.10-6,115,216.02

Finding the Fourth Proportional to 18,894,711.30, 28,346,564.10 and 6,115,216.02

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Solution

The fourth proportional to 18,894,711.30, 28,346,564.10 and 6,115,216.02 is: 9,174,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,711.30 : 28,346,564.10 = 6,115,216.02 : x
  2. Step 2: Convert to fraction form
    18,894,711.30/28,346,564.10 = 6,115,216.02/x
  3. Step 3: Cross multiply
    18,894,711.30x = 28,346,564.10 × 6,115,216.02
  4. Step 4: Simplify right side
    18,894,711.30x = 173,345,362,896,276.88
  5. Step 5: Solve for x
    x = 173,345,362,896,276.88/18,894,711.30
  6. Step 6: Final answer
    x = 9,174,279.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.